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- Server sends sexp source text, client (sexp.js) renders everything - SexpExpr marker class for nested sexp composition in serialize() - sexp_page() HTML shell with data-mount="body" for full page loads - sexp_response() returns text/sexp for OOB/partial responses - ~app-body layout component replaces ~app-layout (no raw!) - ~rich-text is the only component using raw! (for CMS HTML content) - Fragment endpoints return text/sexp, auto-wrapped in SexpExpr - All _*_html() helpers converted to _*_sexp() returning sexp source - Head auto-hoist: sexp.js moves meta/title/link/script[ld+json] from rendered body to document.head automatically - Unknown components render warning box instead of crashing page - Component kwargs preserve AST for lazy rendering (fixes <> in kwargs) - Fix unterminated paren in events/sexp/tickets.sexpr Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
217 lines
8.5 KiB
Python
217 lines
8.5 KiB
Python
"""Events app fragment endpoints.
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Exposes sexp fragments at ``/internal/fragments/<type>`` for consumption
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by other coop apps via the fragment client.
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"""
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from __future__ import annotations
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from quart import Blueprint, Response, g, render_template, request
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from shared.infrastructure.fragments import FRAGMENT_HEADER
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from shared.infrastructure.data_client import fetch_data
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from shared.contracts.dtos import PostDTO, dto_from_dict
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from shared.services.registry import services
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def register():
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bp = Blueprint("fragments", __name__, url_prefix="/internal/fragments")
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_handlers: dict[str, object] = {}
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# Fragment types that still return HTML (Jinja templates)
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_html_types = {"container-cards", "account-page"}
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@bp.before_request
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async def _require_fragment_header():
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if not request.headers.get(FRAGMENT_HEADER):
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return Response("", status=403)
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@bp.get("/<fragment_type>")
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async def get_fragment(fragment_type: str):
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handler = _handlers.get(fragment_type)
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if handler is None:
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return Response("", status=200, content_type="text/sexp")
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result = await handler()
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ct = "text/html" if fragment_type in _html_types else "text/sexp"
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return Response(result, status=200, content_type=ct)
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# --- container-nav fragment: calendar entries + calendar links -----------
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async def _container_nav_handler():
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from quart import current_app
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from shared.infrastructure.urls import events_url
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from shared.sexp.helpers import sexp_call
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container_type = request.args.get("container_type", "page")
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container_id = int(request.args.get("container_id", 0))
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post_slug = request.args.get("post_slug", "")
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paginate_url_base = request.args.get("paginate_url", "")
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page = int(request.args.get("page", 1))
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exclude = request.args.get("exclude", "")
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excludes = [e.strip() for e in exclude.split(",") if e.strip()]
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styles = current_app.jinja_env.globals.get("styles", {})
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nav_class = styles.get("nav_button_less_pad", "")
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parts = []
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# Calendar entries nav
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if not any(e.startswith("calendar") for e in excludes):
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entries, has_more = await services.calendar.associated_entries(
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g.s, container_type, container_id, page,
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)
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for entry in entries:
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entry_path = (
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f"/{post_slug}/{entry.calendar_slug}/"
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f"{entry.start_at.year}/{entry.start_at.month}/"
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f"{entry.start_at.day}/entries/{entry.id}/"
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)
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date_str = entry.start_at.strftime("%b %d, %Y at %H:%M")
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if entry.end_at:
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date_str += f" – {entry.end_at.strftime('%H:%M')}"
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parts.append(sexp_call("calendar-entry-nav",
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href=events_url(entry_path), name=entry.name,
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date_str=date_str, nav_class=nav_class))
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if has_more and paginate_url_base:
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parts.append(sexp_call("htmx-sentinel",
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id=f"entries-load-sentinel-{page}",
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hx_get=f"{paginate_url_base}?page={page + 1}",
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hx_trigger="intersect once",
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hx_swap="beforebegin",
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**{"class": "flex-shrink-0 w-1"}))
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# Calendar links nav
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if not any(e.startswith("calendar") for e in excludes):
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calendars = await services.calendar.calendars_for_container(
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g.s, container_type, container_id,
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)
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for cal in calendars:
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href = events_url(f"/{post_slug}/{cal.slug}/")
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parts.append(sexp_call("calendar-link-nav",
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href=href, name=cal.name, nav_class=nav_class))
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if not parts:
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return ""
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return "(<> " + " ".join(parts) + ")"
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_handlers["container-nav"] = _container_nav_handler
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# --- container-cards fragment: entries for blog listing cards (still Jinja) --
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async def _container_cards_handler():
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post_ids_raw = request.args.get("post_ids", "")
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post_slugs_raw = request.args.get("post_slugs", "")
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post_ids = [int(x) for x in post_ids_raw.split(",") if x.strip()]
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post_slugs = [x.strip() for x in post_slugs_raw.split(",") if x.strip()]
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if not post_ids:
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return ""
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slug_map = {}
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for i, pid in enumerate(post_ids):
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slug_map[pid] = post_slugs[i] if i < len(post_slugs) else ""
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batch = await services.calendar.confirmed_entries_for_posts(g.s, post_ids)
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return await render_template(
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"fragments/container_cards_entries.html",
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batch=batch, post_ids=post_ids, slug_map=slug_map,
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)
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_handlers["container-cards"] = _container_cards_handler
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# --- account-nav-item fragment: tickets + bookings links -----------------
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async def _account_nav_item_handler():
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from quart import current_app
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from shared.infrastructure.urls import account_url
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from shared.sexp.helpers import sexp_call
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styles = current_app.jinja_env.globals.get("styles", {})
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nav_class = styles.get("nav_button", "")
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hx_select = (
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"#main-panel, #search-mobile, #search-count-mobile,"
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" #search-desktop, #search-count-desktop, #menu-items-nav-wrapper"
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)
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tickets_url = account_url("/tickets/")
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bookings_url = account_url("/bookings/")
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parts = []
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for href, label in [(tickets_url, "tickets"), (bookings_url, "bookings")]:
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parts.append(sexp_call("nav-group-link",
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href=href, hx_select=hx_select, nav_class=nav_class, label=label))
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return "(<> " + " ".join(parts) + ")"
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_handlers["account-nav-item"] = _account_nav_item_handler
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# --- account-page fragment: tickets or bookings panel (still Jinja) ------
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async def _account_page_handler():
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slug = request.args.get("slug", "")
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user_id = request.args.get("user_id", type=int)
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if not user_id:
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return ""
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if slug == "tickets":
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tickets = await services.calendar.user_tickets(g.s, user_id=user_id)
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return await render_template(
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"fragments/account_page_tickets.html",
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tickets=tickets,
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)
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elif slug == "bookings":
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bookings = await services.calendar.user_bookings(g.s, user_id=user_id)
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return await render_template(
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"fragments/account_page_bookings.html",
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bookings=bookings,
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)
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return ""
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_handlers["account-page"] = _account_page_handler
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# --- link-card fragment: event page preview card -------------------------
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async def _link_card_handler():
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from shared.infrastructure.urls import events_url
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from shared.sexp.helpers import sexp_call
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slug = request.args.get("slug", "")
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keys_raw = request.args.get("keys", "")
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def _event_link_card_sexp(post, cal_names: str) -> str:
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return sexp_call("link-card",
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title=post.title, image=post.feature_image,
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subtitle=cal_names,
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link=events_url(f"/{post.slug}"))
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# Batch mode
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if keys_raw:
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slugs = [k.strip() for k in keys_raw.split(",") if k.strip()]
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parts = []
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for s in slugs:
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parts.append(f"<!-- fragment:{s} -->")
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raw = await fetch_data("blog", "post-by-slug", params={"slug": s}, required=False)
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post = dto_from_dict(PostDTO, raw) if raw else None
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if post:
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calendars = await services.calendar.calendars_for_container(
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g.s, "page", post.id,
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)
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cal_names = ", ".join(c.name for c in calendars) if calendars else ""
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parts.append(_event_link_card_sexp(post, cal_names))
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return "\n".join(parts)
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# Single mode
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if not slug:
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return ""
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raw = await fetch_data("blog", "post-by-slug", params={"slug": slug}, required=False)
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post = dto_from_dict(PostDTO, raw) if raw else None
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if not post:
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return ""
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calendars = await services.calendar.calendars_for_container(
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g.s, "page", post.id,
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)
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cal_names = ", ".join(c.name for c in calendars) if calendars else ""
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return _event_link_card_sexp(post, cal_names)
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_handlers["link-card"] = _link_card_handler
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bp._fragment_handlers = _handlers
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return bp
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